/*
 * Sonatype Nexus (TM) Open Source Version
 * Copyright (c) 2008-present Sonatype, Inc.
 * All rights reserved. Includes the third-party code listed at http://links.sonatype.com/products/nexus/oss/attributions.
 *
 * This program and the accompanying materials are made available under the terms of the Eclipse Public License Version 1.0,
 * which accompanies this distribution and is available at http://www.eclipse.org/legal/epl-v10.html.
 *
 * Sonatype Nexus (TM) Professional Version is available from Sonatype, Inc. "Sonatype" and "Sonatype Nexus" are trademarks
 * of Sonatype, Inc. Apache Maven is a trademark of the Apache Software Foundation. M2eclipse is a trademark of the
 * Eclipse Foundation. All other trademarks are the property of their respective owners.
 */
package org.sonatype.nexus.repository.storage;

/**
 * Write policy selector.
 *
 * @since 3.0
 */
public interface WritePolicySelector
{
  /**
   * Default instance of {@link WritePolicy} selector, that returns the configured {@link WritePolicy} unchanged.
   */
  WritePolicySelector DEFAULT = new WritePolicySelector()
  {
    @Override
    public WritePolicy select(final Asset asset, final WritePolicy configured) {
      return configured;
    }
  };

  /**
   * Returns the effective {@link WritePolicy} for given asset blob changes.
   */
  WritePolicy select(final Asset asset, final WritePolicy configured);
}
